CN104589913B - Wheel of low-floor bogie - Google Patents
Wheel of low-floor bogie Download PDFInfo
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- CN104589913B CN104589913B CN201510037909.9A CN201510037909A CN104589913B CN 104589913 B CN104589913 B CN 104589913B CN 201510037909 A CN201510037909 A CN 201510037909A CN 104589913 B CN104589913 B CN 104589913B
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Abstract
The invention relates to a wheel of a low-floor bogie. The wheel comprises a rim and a tread, wherein the tread consists of four segments of arcs and two segments of straight lines from the inner side to the outer side of the wheel in sequence; the rim consists of a rim inclined line, a wheel back inclined line and a horizontal straight line. Due to optimal design of the tread and the rim, an experiment shows that the wheel greatly reduces abrasion, the guide performance of the wheel is improved, and the service life of the wheel is prolonged; the cost of the wheel and the possibility of climb-on-rail are reduced; furthermore, the wheel serving as an independent wheel more adapts to a groove-shaped rail; two circles of mounting holes are formed in a wheel center and are respectively used for mounting a coupling and a braking disk, so that the wheel can be either used for a low-floor locomotive or used for a low-floor trailer, so that the interchangeability and the universality of the wheel are improved, and the cost is further reduced.
Description
Technical field
The present invention relates to a kind of wheel, more particularly to a kind of low-floor bogie wheel.
Background technology
In recent years, on low-floor (vehicle floor identity distance from orbital plane between 250mm-350mm be low-floor) track
The research of vehicle and using there is huge progress, the use of low-floor rail vehicle is to change traditional floor (light rail high
The floor of car between 800mm-1000mm is floor high apart from orbital plane) caused by get on or off the bus inconvenience and operation and time
The problem of delay.Low-floor rail vehicle is provided and gives people more comfortable feeling for taking, and it does not need platform high, facilitates residual
Disease people, the elderly and child get on or off the bus, and reduce the impact to urban landscape.Low floor vehicle can reduce the transfer time, improve trip
Scanning frequency degree, is worth with actual Economic Application.
Two wheels in left and right are fixed by a driving axle on the bogie of traditional rail vehicle, and traction electric machine drives should
Driving axle, so as to drive the wheel of left and right two to rotate.100% low-floor rail vehicle eliminates driving axle, left and right wheelses
Decoupling, can independently rotate, and the wheel that this left and right wheelses mutually can rotate around axletree independently of one another is to being referred to as independence
Wheel is right.
The steering capability of independent wheelset is poor, and wheel wear is larger (being particularly susceptible generation wheeling edge wearing), if tread contour
Design is improper, and climbing rail and security incident occurring easily occur in vehicle.
The content of the invention
Present invention is primarily aimed at solving the above problems and not enough, there is provided a kind of performance is good, and the low-floor of low cost turns
To unwheeling wheel.
To achieve the above object, the technical scheme is that：
A kind of low-floor bogie wheel, including wheel rim and tread, the tread is from wheel inner side to outside according to this by four
Section circular arc and two sections of rectilinear(-al)s, the wheel cause wheel rim oblique line, wheel anticline line and horizontal linear composition.
Further, the four arcses are according to this R10-R18 circular arcs, R75-R85 circular arcs, R90- to outside from the inside of wheel
R100 circular arcs, R345-R355 circular arcs.
Further, the four arcses are according to this R14 circular arcs, R80 circular arcs, R95 circular arcs, R350 to outside from the inside of wheel
Circular arc.
Further, two sections of straight lines are 1:40 straight lines and 1:20 straight lines.
Further, the slope of the wheel rim oblique line is 3:1.
Further, the slope of the wheel anticline line is 6:1.
Further, it is provided with rounding between the wheel rim oblique line and horizontal linear and wheel anticline line and horizontal linear.
Further, the wheel coordinates with groove profile rail, and the backpiece gap between the wheel and groove profile rail is more than between wheel track
Gap.
Further, the double-round mounting hole of shaft coupling and brake disc is respectively arranged with the core wheel disc of the wheel.
Another technical scheme of the invention is：
A kind of low-floor bogie wheel, including wheel rim and tread, the tread is from wheel inner side to outside according to this by four
Section circular arc and two sections of rectilinear(-al)s, the wheel cause wheel rim oblique line, wheel anticline line and connection circular arc composition.
The four arcses are according to this R10-R18 circular arcs to outside from the inside of wheel, R75-R85 circular arcs, R90-R100 circle
Arc, R345-R355 circular arcs.
Further, the four arcses are according to this R14 circular arcs, R80 circular arcs, R95 circular arcs, R350 to outside from the inside of wheel
Circular arc.
Further, two sections of straight lines are 1:40 straight lines and 1:20 straight lines.
Further, the slope of the wheel rim oblique line is 3:1.
Further, the slope of the wheel anticline line is 6:1.
Further, the wheel is taken into account and is coordinated with groove profile rail and 50Kg rails, between the backpiece between the wheel and groove profile rail
Gap is less than wheel-rail gap.
Further, the double-round mounting hole of shaft coupling and brake disc is respectively arranged with the core wheel disc of the wheel.
To sum up content, a kind of low-floor bogie wheel of the present invention, by tread and the optimization design of wheel rim, pass through
Experimental demonstration, this wheel greatly reduces abrasion, improves wheel steering capability and service life, reduces the cost of wheel
And the possibility of rail generation is climbed, and wheel as mechanism of independent wheel more adapts to groove profile rail.Enclosed by setting two on core wheel
Mounting hole, is respectively used to install shaft coupling and brake disc so that wheel is used not only for low-floor motor-car, moreover it can be used to low land
Plate trailer, improves the interchangeability and versatility of wheel, further reduces cost.
Brief description of the drawings
Fig. 1 is the tread wheel rim schematic diagram of embodiment one and embodiment two；
Fig. 2 is the tread and groove profile rail cooperation figure of embodiment one and embodiment two；
Fig. 3 is the tread rim construction schematic diagram of embodiment three；
Fig. 4 is the tread and groove profile rail cooperation figure of embodiment three；
Fig. 5 is the tread and 50Kg rail cooperation figures of embodiment three；
Fig. 6 is the structural representation of wheel of the present invention；
Fig. 7 is the sectional view of Fig. 6.
As shown in Figures 1 to 7, rim 1, core wheel 2, reducing noise rubber 3, R14 circular arcs 4, R80 circular arcs 5, R95 circular arcs 6, R350
Circular arc 7,1:40 straight lines 8,1:20 straight lines 9, wheel rim oblique line 10, wheel anticline line 11, horizontal linear 12, rounding 13 connects circular arc 14,
Groove profile rail 15,50Kg rails 16, shaft coupling mounting hole 17, brake disc mounting hole 18.
Specific embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings：
Embodiment one：
As depicted in figs. 1 and 2, a kind of low-floor bogie wheel, is the mechanism of independent wheel applied on low floor vehicle, at this
It is to coordinate with Ri59R2 groove profiles rail 15 in embodiment.As shown in fig. 6, wheel includes rim 1, core wheel 2, and it is arranged on rim
Reducing noise rubber 3 between 1 and core wheel 2, the outer surface of rim 1 is made up of wheel rim and tread.Tread from wheel inner side to outside according to
This is made up of four arcses and two sections of rectilinear(-al)s, wheel cause wheel rim oblique line 10, wheel anticline line 11 and horizontal linear 12.
Four arcses from wheel inner side to outside according to this for R10-R18 circular arcs, R75-R85 circular arcs, R90-R100 circular arcs,
R345-R355 circular arcs, in the present embodiment preferred R14 circular arcs 4, R80 circular arcs 5, R95 circular arcs 6, R350 circular arcs 7.Two sections of straight lines are
1:40 straight lines 8 and 1:20 straight lines 9.
It is wheel rim oblique line 10 near the wheel rim side of lateral wheel, in the present embodiment, the slope of wheel rim oblique line 10 is
2.8:1-3.2:1, preferably 3 in the present embodiment:1.Wheel rim side on the inside of wheel is wheel anticline line 11, in the present embodiment
In, the slope of wheel anticline line 11 is 5.8:1-6.2:1, preferably 6 in the present embodiment:1.Between wheel rim oblique line 10 and horizontal linear 12
Rounding 13 is provided with, the preferred R3 of rounding 13 in the present embodiment.Rounding 13 is provided between wheel anticline line 11 and horizontal linear 12, this
The preferred R3 of rounding 13 in embodiment.
Flange height H is 25.5mm-26.5mm, preferred 26mm in the present embodiment.
As shown in Fig. 2 under rolling circle 10mm, the air line distance of wheel rim oblique line 10 to wheel inner side surface is wheel rim name
Width W, wheel rim nominal width W are 22mm-24mm, preferred 23mm in the present embodiment.The 10mm under rolling circle, wheel rim oblique line 10 to
The air line distance of wheel anticline line 11 is flange thickness Bf, and flange thickness Bf is necessarily less than the track slot width of Ri59R2 groove profiles rail 15,
Also leave wheel-rail gap dwg and backpiece gap d hw simultaneously, wherein wheel-rail gap dwg is 10mm under rolling circle, wheel rim oblique line 10 with
The air line distance of homonymy track slot, backpiece gap d hw is the air line distance of 10mm under rolling circle, wheel anticline line 11 and homonymy track slot.
Wheel-rail gap dwg is more than 5mm, it is ensured that wheel can pass through curve and reduce wheel wear.Backpiece gap d hw
More than wheel-rail gap dwg, it is ensured that after wheeling edge wearing to the limit, rail is first contacted at wheel rim oblique line 10, rather than wheel anticline line
11 first contact rail.
By above-mentioned to wheel tread and the optimization design of the structure snd size of wheel rim, by experimental demonstration, this wheel
Abrasion are greatly reduced, wheel steering capability and service life is improve, cost is reduced and is climbed the possibility of rail generation, and
And the wheel as mechanism of independent wheel more adapts to Ri59R2 groove profiles rail 15.
As shown in Figure 6 and Figure 7, shaft coupling mounting structure and brake disc peace are also provided with simultaneously on the core wheel 2 of this wheel
Assembling structure, wherein shaft coupling mounting structure are the multiple shaft coupling mounting holes 17 being arranged on the disc of core wheel 2, and brake disc installs knot
Structure is the multiple brake disc mounting holes 18 being arranged on the disc of core wheel 2.
Multiple shaft coupling mounting holes 17 are uniform to form a circle mounting hole into one week, and multiple brake disc mounting holes 18 are same uniform
Cheng Yizhou forms one and encloses mounting hole, and two circle mounting holes are concentric circles, and wherein the place circle radius of shaft coupling mounting hole 17 are more than system
The radius of the place circle of Moving plate 18.Coupling spindle mounting hole 17 and brake disc mounting hole 18 are radially arranged and the both sides of insertion core wheel 2.
Shaft coupling generally is installed on the motor vehicle wheels of low floor vehicle, for driving moment, in dragging for low floor vehicle
Brake disc is installed on car, for skidding, mounting holes is enclosed by setting two on core wheel 2, be respectively used to install shaft coupling and
Brake disc so that this wheel is used not only for low-floor motor-car, moreover it can be used to low-floor trailer, improves the exchange of this wheel
Property and versatility, greatly reduce cost.
Embodiment two：
As depicted in figs. 1 and 2, a kind of low-floor bogie wheel, is the mechanism of independent wheel applied on low floor vehicle, at this
It is to coordinate with Ri60R2 groove profiles rail 15 in embodiment.As shown in fig. 6, wheel includes rim 1, core wheel 2, and it is arranged on rim
Reducing noise rubber 3 between 1 and core wheel 2, the outer surface of rim 1 is made up of wheel rim and tread.Tread from wheel inner side to outside according to
This is made up of four arcses and two sections of rectilinear(-al)s, wheel cause wheel rim oblique line 10, wheel anticline line 11 and horizontal linear 12.
Four arcses from wheel inner side to outside according to this for R10-R18 circular arcs, R75-R85 circular arcs, R90-R100 circular arcs,
R345-R355 circular arcs, in the present embodiment preferred R14 circular arcs 4, R80 circular arcs 5, R95 circular arcs 6, R350 circular arcs 7.Two sections of straight lines are
1:40 straight lines 8 and 1:20 straight lines 9.
It is wheel rim oblique line 10 near the wheel rim side of lateral wheel, in the present embodiment, the slope of wheel rim oblique line 10 is
2.8:1-3.2:1, preferably 3 in the present embodiment:1.Wheel rim side on the inside of wheel is wheel anticline line 11, in the present embodiment
In, the slope of wheel anticline line 11 is 5.8:1-6.2:1, preferably 6 in the present embodiment:1.Between wheel rim oblique line 10 and horizontal linear 12
Rounding 13 is provided with, the preferred R3 of rounding 13 in the present embodiment.Rounding 13 is provided between wheel anticline line 11 and horizontal linear 12, this
The preferred R3 of rounding 13 in embodiment.
Flange height H is 22.5mm-23.5mm, preferred 23mm in the present embodiment.
As shown in Fig. 2 under rolling circle 10mm, the air line distance of wheel rim oblique line 10 to wheel inner side surface is wheel rim name
Width W, wheel rim nominal width W are 20mm-22mm, preferred 21mm in the present embodiment.The 10mm under rolling circle, wheel rim oblique line 10 to
The air line distance of wheel anticline line 11 is flange thickness Bf, and flange thickness Bf is necessarily less than the track slot width of Ri60R2 groove profiles rail 15,
Also leave wheel-rail gap dwg and backpiece gap d hw simultaneously, wherein wheel-rail gap dwg is 10mm under rolling circle, wheel rim oblique line 10 with
The air line distance of homonymy track slot, backpiece gap d hw is the air line distance of 10mm under rolling circle, wheel anticline line 11 and homonymy track slot.
Wheel-rail gap dwg is more than 5mm, it is ensured that wheel can pass through curve and reduce wheel wear.Backpiece gap d hw
More than wheel-rail gap dwg, it is ensured that after wheeling edge wearing to the limit, rail is first contacted at wheel rim oblique line 10, rather than wheel anticline line
11 first contact rail.
By above-mentioned to wheel tread and the optimization design of the structure snd size of wheel rim, by experimental demonstration, this wheel
Abrasion are greatly reduced, wheel steering capability and service life is improve, cost is reduced and is climbed the possibility of rail generation, and
And the wheel as mechanism of independent wheel more adapts to Ri60R2 groove profiles rail 15.
As shown in Figure 6 and Figure 7, shaft coupling mounting structure and brake disc peace are also provided with simultaneously on the core wheel 2 of this wheel
Assembling structure, wherein shaft coupling mounting structure are the multiple shaft coupling mounting holes 17 being arranged on the disc of core wheel 2, and brake disc installs knot
Structure is the multiple brake disc mounting holes 18 being arranged on the disc of core wheel 2.
Multiple shaft coupling mounting holes 17 are uniform to form a circle mounting hole into one week, and multiple brake disc mounting holes 18 are same uniform
Cheng Yizhou forms one and encloses mounting hole, and two circle mounting holes are concentric circles, and wherein the place circle radius of shaft coupling mounting hole 17 are more than system
The radius of the place circle of Moving plate 18.Coupling spindle mounting hole 17 and brake disc mounting hole 18 are radially arranged and the both sides of insertion core wheel 2.
Shaft coupling generally is installed on the motor vehicle wheels of low floor vehicle, for driving moment, in dragging for low floor vehicle
Brake disc is installed on car, for skidding, mounting holes is enclosed by setting two on core wheel 2, be respectively used to install shaft coupling and
Brake disc so that this wheel is used not only for low-floor motor-car, moreover it can be used to low-floor trailer, improves the exchange of this wheel
Property and versatility, greatly reduce cost.
Embodiment three：
As shown in Figures 3 to 5, a kind of low-floor bogie wheel, is the mechanism of independent wheel applied on low floor vehicle, at this
In embodiment, wheel can simultaneously be taken into account with Ri59R2 groove profiles rail 15 and is engaged with 50Kg rails 16.As shown in fig. 6, wheel includes
Rim 1, core wheel 2, and the reducing noise rubber 3 between rim 1 and core wheel 2 is arranged on, the outer surface of rim 1 is by wheel rim and tread group
Into.Tread is from wheel inner side to outside according to this by four arcses and two sections of rectilinear(-al)s, wheel cause wheel rim oblique line 10, wheel anticline line
11 constitute with connection circular arc 14.
Four arcses from wheel inner side to outside according to this for R10-R18 circular arcs, R75-R85 circular arcs, R90-R100 circular arcs,
R345-R355 circular arcs, in the present embodiment preferred R14 circular arcs 4, R80 circular arcs 5, R95 circular arcs 6, R350 circular arcs 7.Two sections of straight lines are
1:40 straight lines 8 and 1:20 straight lines 9.
It is wheel rim oblique line 10 near the wheel rim side of lateral wheel, in the present embodiment, the slope of wheel rim oblique line 10 is
2.8:1-3.2:1, preferably 3 in the present embodiment:1.Wheel rim side on the inside of wheel is wheel anticline line 11, in the present embodiment
In, the slope of wheel anticline line 11 is 5.8:1-6.2:1, preferably 6 in the present embodiment:1, it is to avoid due to the rail surface of different circuits
Abrasion differ and cause wheel tread hanging.Connection circular arc 14, the present embodiment are provided between wheel rim oblique line 10 and wheel anticline line 11
The preferred R14 of middle connection circular arc 14.
Flange height H is 27.5mm-28.5mm, preferred 28mm in the present embodiment.
As shown in figure 4, under rolling circle 12mm, the air line distance of wheel rim oblique line 10 to lateral wheel side is wheel rim name
Width W, wheel rim nominal width W are 29mm-31mm, preferred 30mm in the present embodiment.The 12mm under rolling circle, wheel rim oblique line 10 to
The air line distance of wheel anticline line 11 is flange thickness Bf, and flange thickness Bf is necessarily less than the track slot width of Ri59R2 groove profiles rail 15,
Also leave wheel-rail gap dwg and backpiece gap d hw simultaneously, wherein wheel-rail gap dwg is 12mm under rolling circle, wheel rim oblique line 10 with
The air line distance of homonymy track slot, in the present embodiment, the preferred 7mm of wheel-rail gap dwg, backpiece gap d hw are 10mm under rolling circle,
The air line distance of wheel anticline line 11 and homonymy track slot, in the present embodiment, the preferred 5.3mm of backpiece gap d hw.
Wheel-rail gap dwg is more than 5mm, it is ensured that wheel can pass through curve and reduce wheel wear.Backpiece gap d hw
Less than wheel-rail gap dwg.
As shown in figure 5, under rolling circle 12mm, the air line distance of wheel rim oblique line 10 and the rail level of 50Kg rails 16 swims for name
Gap, the in the present embodiment nominal preferred 6.7mm of clearance.
By above-mentioned to wheel tread and the optimization design of the structure snd size of wheel rim, by experimental demonstration, this wheel
Ri59R2 groove profiles rail 15 and 50Kg rails 16 can be simultaneously used for, and greatly reduce abrasion, improve wheel steering capability and
Service life, reduces cost and climbs the possibility of rail generation.
As shown in Figure 6 and Figure 7, shaft coupling mounting structure and brake disc peace are also provided with simultaneously on the core wheel 2 of this wheel
Assembling structure, wherein shaft coupling mounting structure are the multiple shaft coupling mounting holes 17 being arranged on the disc of core wheel 2, and brake disc installs knot
Structure is the multiple brake disc mounting holes 18 being arranged on the disc of core wheel 2.
Multiple shaft coupling mounting holes 17 are uniform to form a circle mounting hole into one week, and multiple brake disc mounting holes 18 are same uniform
Cheng Yizhou forms one and encloses mounting hole, and two circle mounting holes are concentric circles, and wherein the place circle radius of shaft coupling mounting hole 17 are more than system
The radius of the place circle of Moving plate 18.Coupling spindle mounting hole 17 and brake disc mounting hole 18 are radially arranged and the both sides of insertion core wheel 2.
Shaft coupling generally is installed on the motor vehicle wheels of low floor vehicle, for driving moment, in dragging for low floor vehicle
Brake disc is installed on car, for skidding, mounting holes is enclosed by setting two on core wheel 2, be respectively used to install shaft coupling and
Brake disc so that this wheel is used not only for low-floor motor-car, moreover it can be used to low-floor trailer, improves the exchange of this wheel
Property and versatility, greatly reduce cost.
As described above, the plan content with reference to given by accompanying drawing, can derive similar technical scheme.In every case it is not de-
From the content of technical solution of the present invention, any simple modification made to above example according to technical spirit of the invention, etc.
With change and modification, still fall within the range of technical solution of the present invention.
Claims (10)
1. a kind of low-floor bogie wheel, including wheel rim and tread, it is characterised in that：The tread is from the inside of wheel to outside
Successively by four arcses and two sections of rectilinear(-al)s, the wheel cause wheel rim oblique line, wheel anticline line and horizontal linear composition；
The wheel coordinates with groove profile rail, and the backpiece gap between the wheel and groove profile rail is more than wheel-rail gap.
2. a kind of low-floor bogie wheel, including wheel rim and tread, it is characterised in that：The tread is from the inside of wheel to outside
Successively by four arcses and two sections of rectilinear(-al)s, the wheel cause wheel rim oblique line, wheel anticline line and connection circular arc composition.
3. a kind of low-floor bogie wheel according to claim 1 and 2, it is characterised in that：The four arcses are from car
Wheel inner side to outside is followed successively by R10-R18 circular arcs, R75-R85 circular arcs, R90-R100 circular arcs, R345-R355 circular arcs.
4. a kind of low-floor bogie wheel according to claim 3, it is characterised in that：The four arcses are from wheel
Side to outside is followed successively by R14 circular arcs, R80 circular arcs, R95 circular arcs, R350 circular arcs.
5. a kind of low-floor bogie wheel according to claim 1 and 2, it is characterised in that：Two sections of straight lines are oblique
Rate is 1:40 straight line and slope is 1:20 straight line.
6. a kind of low-floor bogie wheel according to claim 1 and 2, it is characterised in that：The wheel rim oblique line it is oblique
Rate is 3:1.
7. a kind of low-floor bogie wheel according to claim 1 and 2, it is characterised in that：It is described to take turns the oblique of anticline line
Rate is 6:1.
8. a kind of low-floor bogie wheel according to claim 1, it is characterised in that：The wheel rim oblique line and level are straight
Rounding is provided between line, rounding is provided between wheel anticline line and horizontal linear.
9. a kind of low-floor bogie wheel according to claim 2, it is characterised in that：The wheel is taken into account and groove profile rail
Coordinate with 50Kg rails, the backpiece gap between the wheel and groove profile rail is less than wheel-rail gap.
10. a kind of low-floor bogie wheel according to claim 1 and 2, it is characterised in that：In the core wheel of the wheel
The double-round mounting hole of shaft coupling and brake disc is respectively arranged with disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510037909.9A CN104589913B (en) | 2015-01-26 | 2015-01-26 | Wheel of low-floor bogie |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510037909.9A CN104589913B (en) | 2015-01-26 | 2015-01-26 | Wheel of low-floor bogie |
Publications (2)
| Publication Number | Publication Date |
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| CN104589913A CN104589913A (en) | 2015-05-06 |
| CN104589913B true CN104589913B (en) | 2017-05-24 |
Family
ID=53116113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201510037909.9A Active CN104589913B (en) | 2015-01-26 | 2015-01-26 | Wheel of low-floor bogie |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107867135A (en) * | 2017-11-08 | 2018-04-03 | 中车四方车辆有限公司 | Autorail guidance set and autorail |
| CN110962501A (en) * | 2018-09-29 | 2020-04-07 | 中车戚墅堰机车车辆工艺研究所有限公司 | Elastic wheel for railway vehicle, elastic wheel assembly and railway vehicle |
| CN109484429B (en) * | 2018-12-03 | 2021-11-23 | 中车长春轨道客车股份有限公司 | High-speed wheel tread structure suitable for wide rail in alpine region |
| CN113147826B (en) * | 2021-05-17 | 2022-01-07 | 青岛城市轨道交通科技有限公司 | Optimized turning method and device based on multi-feature decision wheel pair hierarchical exchange |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3318617A1 (en) * | 1983-05-21 | 1984-11-29 | Klöckner-Werke AG, 4100 Duisburg | Rubber-sprung rail wheel |
| JPH10166803A (en) * | 1996-12-11 | 1998-06-23 | Central Japan Railway Co | Wheel for railway vehicle |
| CN200977829Y (en) * | 2006-09-18 | 2007-11-21 | 大同爱碧玺铸造有限公司 | Casting wheel for railroad vehicle |
| CN201192970Y (en) * | 2008-08-15 | 2009-02-11 | 铁道部运输局 | Low wheel flange arc tread wheel for motor train set power steering truck |
| CN204605394U (en) * | 2015-01-26 | 2015-09-02 | 南车青岛四方机车车辆股份有限公司 | A kind of low-floor bogie wheel |
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2015
- 2015-01-26 CN CN201510037909.9A patent/CN104589913B/en active Active
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| CN104589913A (en) | 2015-05-06 |
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